When bases are not the same, you can solve an exponential equation by taking the logarithm of each side of the equation. If m and n are positive and
What is the solution of
Which property of logarithms will help isolate x?
The rule log
Check
What is the solution of
Method 1 Solve using a graph.
Use a graphing calculator. Graph the equations.
Adjust the window to find the point of intersection. The solution is
Method 2 Solve using a table.
Use the table feature of a graphing calculator. Enter
How do you choose TblStart and
Start with 0 and 1, respectively. Adjust both values as you close in on the solution.
Use the TABLE SETUP and
The solution is